THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS 25 Birch Street, Cambridge, MA 02138 USA Tel. 617-354-0484 Fax 617-354-0665 http://www.aavso.org * * * AAVSO NEWS FLASH * * * Subject: 0939+52 ER UMA 1911-00 FO AQL No. 1163 1049+30 SX LMI 1927+33 V792 CYG May 22, 2003 ---------------------------------------------------------------------------- 0939+52 ER URSAE MAJORIS The dwarf nova type (SU UMA subclass) cataclysmic variable ER UMA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 19.9199 <14.2 MGH MAY 21.1825 14.8 SXN MAY 20.0860 <14.5 TSC MAY 22.1041 13.9 TDB MAY 20.1000 <14.0 CGF MAY 22.2042 14.1 SXN MAY 20.1069 <14.5 SWT ---------------------------------------------------------------------------- 1049+30 SX LEONIS MINORIS The dwarf nova type (SU UMA subclass) cataclysmic variable SX LMI is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 18.1250 <14.6 SXN MAY 21.8832 13.4 GCO MAY 18.8819 <13.5 GCO MAY 22.2639 13.8 LMK MAY 21.1507 <16.0 SXN ---------------------------------------------------------------------------- 1911-00 FO AQUILAE The dwarf nova type (SS CYG subclass) cataclysmic variable FO AQL may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 09.6260 <14.4 SRX MAY 12.7220 <14.5 SRX MAY 10.6830 <14.5 SRX MAY 22.2867 13.8 SXN ---------------------------------------------------------------------------- 1927+33 V792 CYGNI The dwarf nova type (SS CYG subclass) cataclysmic variable V792 CYG may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials APR 23.3639 <14.8 SXN MAY 04.2938 <14.8 SXN MAY 03.3667 <14.8 SXN MAY 22.0339 14.1 GCO ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: CGF - G. CHAPLE JR., USA SWT - R. STEWART, USA GCO - C. GUALDONI, ITALY SXN - M. SIMONSEN, USA LMK - M. LINNOLT, USA TDB - D. TAYLOR, CANADA MGH - H. MCGEE, ENGLAND TSC - S. TRACY, USA SRX - R. STUBBINGS, AUSTRALIA Please monitor these and other variable stars closely and phone-in, fax, or e-mail your observations to the AAVSO. Good observing! Janet A. Mattei, Director Elizabeth O. Waagen, Senior Technical Assistant ____________________________________________________________________________ Symbols may include: < = fainter than magnitude given (variable not seen) : = uncertain CCDV = Charge-coupled device with (V) filter If you would like to contribute to AAVSO NEWS FLASH, please send observations of unusual variable star activity to: observations@aavso.org Those who wish to subscribe (free of charge) or unsubscribe to NEWS FLASH may do so by visiting the following web page: http://www.aavso.org If you would like data from the AAVSO International Database for research purposes, please send your request to: Janet Mattei, AAVSO Director, at aavso@aavso.org An archive of past issues of the News Flash is available at the following web page: http://www.aavso.org/newsflash/ We look forward to including your observations in future editions of AAVSO NEWS FLASH! ____________________________________________________________________________